Estriol
City of Bay City
NOTE: City of Bay City purchases water from Bay Area Water System which is required to test for estriol. Sample information shown below was taken by Bay Area Water System.
Estriol is one of the 3 types of estrogen made by the human body. Sex hormones get into water downstream from livestock and pharmaceutical production, or incomplete removal in waste water treatment. There are no standards to gauge how risky additional hormones are for human health.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppt = parts per trillion
All test results
NOTE: City of Bay City purchases water from Bay Area Water System which is required to test for estriol. Sample information shown below was taken by Bay Area Water System.
Date | Lab ID | Result |
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